1. Volume 27, Issue 7, Pages 1048-1054 (April 2017)
The Dual Nature of Early-Life Experience on Somatosensory Processing in the Human Infant Brain 
Nathalie L. Maitre, Alexandra P. Key, Olena D. Chorna, James C. Slaughter, Pawel J. Matusz, Mark T. Wallace, Micah M. Murray 
Current Biology 
Volume 27, Issue 7, Pages (April 2017)
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2. Figure 1 Normative Analysis of ERPs from Full-Term Infants
(A) Photos of a full-term infant undergoing EEG recording (left) and the tubing and nozzle for delivering calibrated light touch to the hand (right).
(B) Superimposed ERPs to touch and sham stimuli (black and red traces, respectively).
(C) Significant ERP differences began at 184 ms post-stimulus onset (percentage of significant electrodes across time shown).
(D) Hierarchical topographic clustering identified a series of touch-related ERP components (shaded boxes); the earliest, 171–240 ms, was the focus of the present analyses.
(E) Twenty-four bilateral electrodes were at the maxima/minima of the blue ERP topography, and measures from these were used in subsequent analyses.
For full-term patient characteristics, see Table S1.
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3. Figure 2 Impaired ERP Responses to Light Touch in Preterm Infants
(A) Group-averaged ERPs from full-term and preterm infants (black and red traces, respectively; SEM shown) at a left frontal scalp site.
(B) Overlay of ERPs from the entire electrode montage. Insets show mean ERP topographies over the 171–240 ms period (top view) when significant differences were observed (Table 1).
(C) The orange curve displays the spatial correlation between ERPs from full-term versus preterm infants. The blue area displays statistically significant differences in ERP topography, indicative of differences in the active brain circuits in responses from full-term versus preterm infants.
(D–F) Corresponding data and analyses in response to sham stimuli. No statistically reliable differences were observed.
For preterm patient characteristics, see Table S1.
Current Biology  , DOI: ( /j.cub )
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